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Finding the Fourth Proportional to 310,556.56, 465,834.88 and 247,933.84

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Solution

The fourth proportional to 310,556.56, 465,834.88 and 247,933.84 is: 371,900.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,556.56 : 465,834.88 = 247,933.84 : x
  2. Step 2: Convert to fraction form
    310,556.56/465,834.88 = 247,933.84/x
  3. Step 3: Cross multiply
    310,556.56x = 465,834.88 × 247,933.84
  4. Step 4: Simplify right side
    310,556.56x = 115,496,230,604.34
  5. Step 5: Solve for x
    x = 115,496,230,604.34/310,556.56
  6. Step 6: Final answer
    x = 371,900.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.